<template>
  <el-main>
      <!-- 查询条件 -->
      <el-form
      ref="searchForm"
      label-width="80px"
      :inline="true"
      size="small"
      >
          <el-form-item>
              <el-input  placeholder="请输入部门名称" v-model="searchModel.departmentName" ></el-input>
          </el-form-item>
          <el-form-item>
          <el-button type="primary" icon="el-icon-search" @click="search">查询</el-button>
          <el-button icon="el-icon-refresh-right" @click="resetValue">重置</el-button>
          <el-button type="success" icon="el-icon-plus" @click="openAddWindow">新增</el-button>
          </el-form-item>
      </el-form>
      <!-- 数据表格 -->
      <el-table
      :data="tableData"
      border
      stripe
      style="width: 100%; margin-bottom: 20px"
      row-key="id"
      :default-expand-all="false"
      :tree-props="{ children: 'children' }"
      >
          <el-table-column prop="departmentName" label="部门名称"></el-table-column>
          <el-table-column prop="parentName" label="所属部门"></el-table-column>
          <el-table-column prop="id" label="部门编码"></el-table-column>
          <el-table-column prop="address" label="地址"></el-table-column>
          <el-table-column prop="phone" label="部门电话"></el-table-column>
          <el-table-column label="操作" width="200" align="center">
          <template slot-scope="scope">
              <el-button
              icon="el-icon-edit-outline"
              type="primary"
              size="small"
              @click="handleEdit(scope.row)">编辑</el-button>
              <el-button
              icon="el-icon-close"
              type="danger"
              size="small"
              @click="handleDelete(scope.row)">删除</el-button>
          </template>
          </el-table-column>
      </el-table>
    <!-- 添加修改窗口 -->
    <system-dialog
      :title="deptDialog.title"
      :visible="deptDialog.visible"
      :width="deptDialog.width"
      :height="deptDialog.height"
      @onClose="onClose()"
      @onConfirm="onConfirm()"
    >
      <div slot="content">
      <el-form
        :model="dept"
        ref="deptForm"
        :rules="rules"
        label-width="80px"
        :inline="true"
        size="small"
      >
        <el-form-item label="所属部门" prop="parentName">
        <el-input v-model="dept.parentName" :readonly="true" @click.native="openParentAddWindow()"></el-input>
        </el-form-item>
        <el-form-item label="部门名称" prop="departmentName">
        <el-input v-model="dept.departmentName"></el-input>
        </el-form-item>
        <el-form-item label="部门电话">
        <el-input v-model="dept.phone"></el-input>
        </el-form-item>
        <el-form-item label="部门地址">
        <el-input v-model="dept.address"></el-input>
        </el-form-item>
        <el-form-item label="序号">
        <el-input v-model="dept.orderNum"></el-input>
        </el-form-item>
      </el-form>
      </div>
    </system-dialog>

     <!-- 所属部门窗口 -->
     <system-dialog
      :title="parentDialog.title"
      :visible="parentDialog.visible"
      :width="parentDialog.width"
      :height="parentDialog.height"
      @onClose="onParentClose()"
      @onConfirm="onParentConfirm()"
    >
     
    <div slot="content">
        <el-tree ref="parentTree"
        :data="treeList" 
        node-key="id"
        :props="defaultProps" 
        empty-text="暂无数据" 
        :highlight-current="true"
        :default-expand-all="true"
        :expand-on-click-node="false"
        @node-click="handleNodeClick">
      
        <div class="customer-tree-node" slot-scope="{node,data}">
          <span v-if="data.children.length === 0">
            <i class="el-icon-document"></i>
          </span>
          <span v-else @click="openBtn(data)">
              <svg-icon v-if="data.open" icon-class="add-s"/>
              <svg-icon v-else icon-class="sub-s"/>
          </span>
        <span style="margin-left: 5px">{{ node.label }}</span>
    </div>

      
      </el-tree>
    </div>

  </system-dialog>



</el-main>
</template>
<script>
//导入api脚本
import departmentApi from "@/api/department";
//导入对话框组件
import SystemDialog from '@/components/system/SystemDialog';
export default {
  name: 'department',
  //注册组件
  components:{
        SystemDialog
  },
  data() {
      return {
          searchModel: {
              departmentName: "", //部门名称
          },
          tableData: [],//表格数据列表
          //弹出框属性
          deptDialog: {
                    title: "",      //窗口标题
                    visible: false, //是否显示窗口
                    width:560,      //窗口宽度
                    height: 170,    //窗口高度们

          },
          //往后端传递的对象
          dept:{
                    id: "",             //部门编号
                    departmentName:"",  //部门名称
                    pid: "",            //所属部门id
                    parentName:"",      //所属部门名称
                    phone: " ",         //电话
                    address : "",       //地址
                    orderNum: "",       //序号
              },
          //表单验证规则
         rules: {
                  parentName: [{required: true,message:"请选择所属部门", trigger:"change"}],
                  departmentName: [{required: true, message:"请输入部门名称" ,trigger: "blur"}]
          },  
        //弹出框属性
        parentDialog: {
            title: "所属部门",      //窗口标题
            visible: false, //是否显示窗口
            width: 300,      //窗口宽度
            height: 400,    //窗口高度

        },
        //树形数据
        treeList: [],
        //树形组件默认属性值
        defaultProps: {
            children :"children" ,
            label: "departmentName",
        },
          

      }
  },
  methods: {
      /**
       * 查询部门列表
       * */
      async search() {
          //发送查询请求
          let res = await departmentApi.getDepartmentList(this.searchModel);
          //判断是否存在数据
          if (res.success) {
              //获取数据
              this.tableData = res.data;
          }
      },
      /**
      * 打开一个编辑窗口
      * @param row
      */
      handleEdit(row) {
          //数据回显
          this.$objCopy(row, this.dept);
          //设置窗口标题
          this.deptDialog.title = "编辑部门";
          //显示编辑部门窗口
          this.deptDialog.visible = true;
      },
      /**
      * 删除部门
      * @param row
      */
      async handleDelete(row) {
        //查询部门下是否存在子部门或用户
        let result = await departmentApi.checkDepartment({ id: row.id });
            //判断是否可以删除
            if (!result.code === 800) {
                //提示不能删除
                this.$message.warning(result.message);
            } else {
                //确认是否删除
                let confirm = await this.$sconfirm("确定要删除该数据吗?");
                if (confirm) {
                    //发送删除请求
                    let res = await departmentApi.deleteById({ id: row.id });
                    //判断是否成功
                    if (res.success) {
                        //成功提示
                        this.$message.success(res.message);
                        //刷新
                        this.search();
                    } else {
                        //失败提示
                        this.$message.error(res.message);
                    }
                }
            }
      },
      /**
      * 重置
      */
      resetValue(){
          this.searchModel = {};//清空数据
          this.search();//重新调用方法
      },
    /*打开添加窗口*/
    openAddWindow(){
            //清空表单数据
            this.$resetForm("deptForm", this.dept);
            //设置窗口属性
            this.deptDialog.title="新增部门";
            this.deptDialog.visible=true;
        },

        /*窗口关闭事件*/
        onClose(){
            this.deptDialog.visible=false;
        },
        /*窗口确认事件*/
        onConfirm(){
            //表单验证
            this.$refs.deptForm.validate( async (valid) => {
            //如果验证通过
            if (valid) {
                let res = null;//后端返回的数据
                //判断部门ID是否有数据，如果部门ID为空，则表示新增，否则就是修改
                if(this.dept.id===''){//新增
                    //发送新增请求
                    res = await departmentApi.addDept(this.dept);
                }else{
                    //发送修改请求
                    res = await departmentApi.updateDept(this.dept);
                }
                //判断是否成功
                if (res.success) {
                    this.$message.success(res.message);
                    //刷新
                    this.search();
                    //关闭窗口
                    this.deptDialog.visible = false;
                } else {
                    this.$message.error(res.message);
                }
            }
            });
        },

          /*打开所属部门窗口*/
          async openParentAddWindow(){
          //设置窗口属性
          this.parentDialog.visible = true;
          //查询所属部门列表
          let res = await departmentApi.getParentTreeList({});
          //判断是否成功
          if (res.success){
              this.treeList = res.data;
            }
        },
         /*所属部门窗口关闭事件*/
         onParentClose(){
            this.parentDialog.visible=false;
        },
         /*所属部门窗口确认事件*/
         onParentConfirm(){
            this.parentDialog.visible=false;
        },
        // 树节点点击事件
        handleNodeClick(data){
          //当点击树节点时，赋予选中的值
          this.dept.pid = data.id;
          this.dept.parentName = data.departmentName;

        },
        /**点击树节点+-号折叠展开事件 */
        openBtn(data) {
            //修改折叠展开状态
            console.log(data)
            data.open = !data.open;
            this.$refs.parentTree.store.nodesMap[data.id].expanded = !data.open;
      },


  },
  //页面渲染之前调用
  created() {
      //调用查询部门列表方法
      this.search();
  }
}
</script>
<style lang="scss" scoped>
    ::v-deep .el-tree {
    .el-tree-node {
    position: relative;
    padding-left: 10px;
    }
    .el-tree-node__children {
    padding-left: 20px;
    }
    .el-tree-node :last-child:before {
    height: 40px;
    }
    .el-tree > .el-tree-node:before {
    border-left: none;
    }
    .el-tree > .el-tree-node:after {
    border-top: none;
    }
    .el-tree-node:before,
    .el-tree-node:after {
    content: "";
    left: -4px;
    position: absolute;
    right: auto;
    border-width: 1px;
    }
    .tree :first-child .el-tree-node:before {
    border-left: none;
    }
    .el-tree-node:before {
    border-left: 1px dotted #d9d9d9;
    bottom: 0px;
    height: 100%;
    top: -25px;
    width: 1px;
    }
    .el-tree-node:after {
    border-top: 1px dotted #d9d9d9;
    height: 20px;
    top: 14px;
    width: 24px;
    }
    .el-tree-node__expand-icon.is-leaf {
    width: 8px;
    }
    .el-tree-node__content > .el-tree-node__expand-icon {
    display: none;
    }
    .el-tree-node__content {
    line-height: 30px;
    height: 30px;
    padding-left: 10px !important;
    }
    }
    ::v-deep .el-tree > div {
    &::before {
    display: none;
    }
    &::after {
    display: none;
    }
    }
</style>